tells the story of the girl Bu Hanlu (played by Wu Qianying) who has always believed that she has saved the world, firmly believes that her sister was taken away by aliens, and has been lonely and endured the misunderstanding of the people around her in order to save her sister, until the school bully Lin Qianhe (played by Liu Jiayi) and a group of friends appeared, so that her life is no longer lonely, and she finally found her own male protagonist and wrote a new chapter of youth.